AD 47-50-13

final rule
Data completeness: 60%

DOWNER (BELLANCA and UNIVERSAL (Stinson) Model Aeromatic F200 Propellers

AD Number
47-50-13
Status
final_rule
Effective Date
Product Category
propeller
Docket
Unknown
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
aircraft Tarver Propellers, LLC F200 DOWNER (BELLANCA and UNIVERSAL (Stinson) Model Aeromatic F200 Propellers

Unsafe Condition

Hub barrel and mounting tube weld joints and areas beneath balancing bands may have line cracks or fractures.

AI-generated summary from the source AD text. Verify against the official source before acting.

Required Actions

Remove balancing bands from both ends of hub barrel, examine hub surfaces for line cracks or fractures in specified areas, and remove defective hubs from service.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

no later than the next 25-hour propeller lubrication and at 25 hours of operation thereafter

AI-generated summary from the source AD text. Verify against the official source before acting.

Affected Aircraft

Tarver Propellers, LLC Model F200 propellers equipped on aircraft with Koppers Model Aeromatic F200 propellers.

AI-generated summary from the source AD text. Verify against the official source before acting.

Source: Official FAA Source ↗

Retrieved: Apr 8, 2026

Rights: U.S. Government Public Domain

This site is not affiliated with or endorsed by the FAA. Always verify with official sources.